It Is Said That I Am an Interstellar Reserve

[As a federal reservist, does this difficulty make you shrink back? [If it were Major Yi Shuihan, he would definitely be able to do it easily! [The road ahead is bumpy, but I will wait for you in the future. [The weak eat the strong, and the fittest survive, which is the law of nature. When Yi Shuihan woke up, she was inexplicably bound to a system that loved to feed poisonous chicken soup. What she needed to do was to complete counterattacks for one, two, three, or four... Villains who died with hatred in order to gain energy to repair her body, which was said to be in tatters. But... Why don't zombie copies have special abilities? Why do you need to learn advanced mathematics to cultivate immortality? Why does the Mary Sue world's inflation depend entirely on me? [Scientific quick travel, please major to strictly enforce the core laws of the federation. ………………